Ynthesis And Catalytic Preliminary Study Of Functional Nanoporous Materials

Nanoporous materials have attracted much attention due to their large specific surface areas,abundant nanopores and versatile frameworks,which show potentially important applications in the areas of catalysis,adsorption,separation,gas storage etc.In this work,amino group functionalized porous polymer materials,functionalized multi-stage zeolite catalysts and magnetically separable functionalized porous carbon materials has been prepared.The applications of the above functionalized porous materials in the synthesis of catalytic chemicals and the adsorption of organic dyes in water were systematically investigated.In chapter 1,a brief overview of different kinds of porous materials and their research progresses.Combined with the problems in the study of porous materials need to solve the problem,put forward the research objectives and significance of this paper.In chapter 2,introduction of porous polymer based solid catalysts.The porous polymers with large specific surface areas were solvothermally synthesized without using additional templates,and the mesoporous solid bases were synthesized from nitrification and following reduction.The resultant solid bases exhibit excellent catalytic performances in various base-catalyzed reactions.The alkali catalyzed activity of the material was studied,and its rich porous structure,unique superhydrophobic properties and anti-toxic effect on carbon dioxide were characterized.The results show that the material has abundant nano-pore structure,catalytic active sites,super-hydrophobic,insensitive to carbon dioxide and other characteristics,which are used in green and sustainable base catalysis process,the catalytic preparation of various high value-added fine chemical The product has an important potential application value.In chapter 3,mesoporous ZSM-5 zeolite single crystal with b-axis alligned mesopores was prepared,which were used as efficient support for Pd and various transition metal oxides.And then the catalytic oxidation of the material was explored,and their unique pore structures and frameworks were further characterized.The results show that ZSM-OM-PdO_x-MO_x has abundant nanopore and high crystallinity of framework,Pd and transition metal species were homogeneously dispersed into the ZSM-5-OM channels,which exhibit a unique interaction that facilitates the activation of oxygen molecules and enhances their ability to selectively catalyze oxidation.In chapter 4,regular mesoporous carbon material with partial graphitization skeleton and surface wettability was prepared.The introduction of iron species in the synthesis process gives the novel magnetic separation properties(PR-Fe-P123-800 and PR-Ni-P123-800).The selective adsorption properties of the pollutants in the water were studied,and their unique graphitization structure,magnetic separation and regular mesoporous structure were characterized.The results show that the unique magnetic classification and adsorption properties of PR-Fe-P123-800 and PR-NiP123-800 materials have important application value for the removal of various organic pollutants in water.